package com.jf.pay.job;

import com.jfinal.plugin.activerecord.Db;
import com.jfinal.plugin.activerecord.Record;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import org.quartz.*;
import org.quartz.impl.StdSchedulerFactory;

import java.util.List;

import static org.quartz.CronScheduleBuilder.cronSchedule;
import static org.quartz.JobBuilder.newJob;
import static org.quartz.TriggerBuilder.newTrigger;

public class QuartzManager {

    private Logger log = LogManager.getLogger(QuartzManager.class);

    private Scheduler scheduler = null;

    public QuartzManager() {
        try {
            scheduler = new StdSchedulerFactory().getScheduler();
            log.info("初始化调度器 ");
        } catch (SchedulerException ex) {
            log.error("初始化调度器=> [失败]:" + ex.getLocalizedMessage());
        }
    }
    //初始化启动任务
    public void initJob(){

        List<Record> jobs = Db.find("SELECT * FROM job_manager WHERE 1=1 AND is_enabled = 'Y'");

        for(Record job:jobs){
            if("Y".equals(job.getStr("is_enabled"))){
                String className = job.getStr("class");
                Class<? extends Job> jobClazz = null;
                try {
                    jobClazz = Class.forName(className).asSubclass(Job.class);
                } catch (Exception e) {
                    System.out.println(className+"没有继承job,e=="+e);
                    log.error(className+"没有继承job,e=="+e);
                    continue;
                }
                String name = job.getStr("name");
                String group = job.getStr("group");
                String cronExpression = job.getStr("cron_expression");
                this.addJob(name, group, jobClazz, cronExpression);

            }
        }
        this.start();

    }

    //添加任务
    public void addJob(String name, String group, Class<? extends Job> clazz, String cronExpression) {
        try {
            // 构造任务
            JobDetail job = newJob(clazz).withIdentity(name, group).build();
            // 构造任务触发器
            Trigger trg = newTrigger().withIdentity(name, group).withSchedule(cronSchedule(cronExpression)).build();
            // 将作业添加到调度器
            scheduler.scheduleJob(job, trg);
            log.info("创建作业=> [作业名称：" + name + " 作业组：" + group + "] ");
            System.out.println("创建作业=> [作业名称：" + name + " 作业组：" + group + "] ");
        } catch (SchedulerException e) {
            e.printStackTrace();
            log.error("创建作业=> [作业名称：" + name + " 作业组：" + group + "]=> [失败]");
        }
    }
    //移除任务
    public void removeJob(String name, String group) {
        try {
            TriggerKey tk = TriggerKey.triggerKey(name, group);
            scheduler.pauseTrigger(tk);// 停止触发器
            scheduler.unscheduleJob(tk);// 移除触发器
            JobKey jobKey = JobKey.jobKey(name, group);
            scheduler.deleteJob(jobKey);// 删除作业
            log.info("删除作业=> [作业名称：" + name + " 作业组：" + group + "] ");
            System.out.println("删除作业=> [作业名称：" + name + " 作业组：" + group + "] ");
        } catch (SchedulerException e) {
            e.printStackTrace();
            log.error("删除作业=> [作业名称：" + name + " 作业组：" + group + "]=> [失败]");
        }
    }

    public void start() {
        try {
            scheduler.start();
            log.info("启动调度器 ");
            System.out.println("启动调度器 ");
        } catch (SchedulerException e) {
            e.printStackTrace();
            log.error("启动调度器=> [失败]");
        }
    }

    public void shutdown() {
        try {
            scheduler.shutdown();
            log.info("停止调度器 ");
            System.out.println("停止调度器 ");
        } catch (SchedulerException e) {
            e.printStackTrace();
            log.error("停止调度器=> [失败]");
        }
    }
    //测试
    public static void main(String[] args) throws InterruptedException{
        QuartzManager qm = new QuartzManager();
        String name = "DynamicJobName";
        String group = "DynamicJobGroup";
        String cronExpression = "*/3 * * * * ?";
        String className = "top.rushpeak.edu03.admin.job.DynamicJob";
        Class<? extends Job> jobClazz = null;
        try {
            jobClazz = Class.forName(className).asSubclass(Job.class);
        } catch (Exception e) {
            System.out.println(className+"没有继承job,e=="+e);
        }
        if(jobClazz==null){
            System.exit(0);
        }
        qm.addJob(name, group, jobClazz, cronExpression);
        qm.start();
        Thread.sleep(7000);
        qm.removeJob(name, group);
        Thread.sleep(3000);
        String name2 = "DynamicJobName2";
        String group2 = "DynamicJobGroup2";
        String cronExpression2 = "*/3 * * * * ?";
        qm.addJob(name2, group2, DynamicJob.class, cronExpression2);
        Thread.sleep(9000);
        qm.shutdown();
    }
}

